wine/dlls/netapi32/netbios.h
2012-05-15 16:26:43 +02:00

184 lines
7.2 KiB
C

/* Copyright (c) 2003 Juan Lang
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef __WINE_NETBIOS_H__
#define __WINE_NETBIOS_H__
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "lm.h"
#include "nb30.h"
/* This file describes the interface WINE's NetBIOS implementation uses to
* interact with a transport implementation (where a transport might be
* NetBIOS-over-TCP/IP (aka NetBT, NBT), NetBIOS-over-IPX, etc.)
*/
/**
* Public functions
*/
void NetBIOSInit(void) DECLSPEC_HIDDEN;
void NetBIOSShutdown(void) DECLSPEC_HIDDEN;
struct _NetBIOSTransport;
/* A transport should register itself during its init function (see below) with
* a unique id (the transport_id of ACTION_HEADER, for example) and an
* implementation. Returns TRUE on success, and FALSE on failure.
*/
BOOL NetBIOSRegisterTransport(ULONG id, struct _NetBIOSTransport *transport) DECLSPEC_HIDDEN;
/* Registers an adapter with the given transport and ifIndex with NetBIOS.
* ifIndex is an interface index usable by the IpHlpApi. ifIndex is not
* required to be unique, but is required so that NetWkstaTransportEnum can use
* GetIfEntry to get the name and hardware address of the adapter.
* Returns TRUE on success, FALSE on failure.
* FIXME: need functions for retrieving the name and hardware index, rather
* than assuming a correlation with IpHlpApi.
*/
BOOL NetBIOSRegisterAdapter(ULONG transport, DWORD ifIndex, void *adapter) DECLSPEC_HIDDEN;
/* During enumeration, all adapters from your transport are disabled
* internally. If an adapter is still valid, re-enable it with this function.
* Adapters you don't enable will have their transport's NetBIOSCleanupAdapter
* function (see below) called on them, and will be removed from the table.
* (This is to deal with lack of plug-and-play--sorry.)
*/
void NetBIOSEnableAdapter(UCHAR lana) DECLSPEC_HIDDEN;
/* Gets a quick count of the number of NetBIOS adapters. Not guaranteed not
* to change from one call to the next, depending on what's been enumerated
* lately. See also NetBIOSEnumAdapters.
*/
UCHAR NetBIOSNumAdapters(void) DECLSPEC_HIDDEN;
typedef struct _NetBIOSAdapterImpl {
UCHAR lana;
DWORD ifIndex;
void *data;
} NetBIOSAdapterImpl;
typedef BOOL (*NetBIOSEnumAdaptersCallback)(UCHAR totalLANAs, UCHAR lanaIndex,
ULONG transport, const NetBIOSAdapterImpl *data, void *closure);
/* Enumerates all NetBIOS adapters for the transport transport, or for all
* transports if transport is ALL_TRANSPORTS. Your callback will be called
* once for every enumerated adapter, with a count of how many adapters have
* been enumerated, a 0-based index relative to that count, the adapter's
* transport, and its ifIndex.
* Your callback should return FALSE if it no longer wishes to be called.
*/
void NetBIOSEnumAdapters(ULONG transport, NetBIOSEnumAdaptersCallback cb,
void *closure) DECLSPEC_HIDDEN;
/* Hangs up the session identified in the NCB; the NCB need not be a NCBHANGUP.
* Will result in the transport's hangup function being called, so release any
* locks you own before calling to avoid deadlock.
* This function is intended for use by a transport, if the session is closed
* by some error in the transport layer.
*/
void NetBIOSHangupSession(const NCB *ncb) DECLSPEC_HIDDEN;
/**
* Functions a transport implementation must implement
*/
/* This function is called to ask a transport implementation to enumerate any
* LANAs into the NetBIOS adapter table by:
* - calling NetBIOSRegisterAdapter for any new adapters
* - calling NetBIOSEnableAdapter for any existing adapters
* NetBIOSEnumAdapters (see) may be of use to determine which adapters already
* exist.
* A transport can assume no other thread is modifying the NetBIOS adapter
* table during the lifetime of its NetBIOSEnum function (and, therefore, that
* this function won't be called reentrantly).
*/
typedef UCHAR (*NetBIOSEnum)(void);
/* A cleanup function for a transport. This is the last function called on a
* transport.
*/
typedef void (*NetBIOSCleanup)(void);
/* Adapter functions */
/* Functions with direct mappings to the Netbios interface. These functions
* are expected to be synchronous, although the first four bytes of the
* reserved member of the ncb are a cancel flag. A long-running function
* should check whether this is not FALSE from time to time (see the
* NCB_CANCELLED macro), and return NRC_CMDCAN if it's been cancelled. (The
* remainder of the NCB's reserved field is, well, reserved.)
*/
/* Used to see whether the pointer to an NCB has been cancelled. The NetBIOS
* interface designates certain functions as non-cancellable functions, but I
* use this flag for all NCBs. Support it if you can.
* FIXME: this isn't enough, need to support an EVENT or some such, because
* some calls (recv) will block indefinitely, so a reset, shutdown, etc. will
* never occur.
*/
#define NCB_CANCELLED(pncb) *(const BOOL *)((pncb)->ncb_reserve)
typedef UCHAR (*NetBIOSAstat)(void *adapter, PNCB ncb);
typedef UCHAR (*NetBIOSFindName)(void *adapter, PNCB ncb);
/* Functions to support the session service */
/* Implement to support the NCBCALL command. If you need data stored for the
* session, return it in *session. You can clean it up in your NetBIOSHangup
* function (see).
*/
typedef UCHAR (*NetBIOSCall)(void *adapter, PNCB ncb, void **session);
typedef UCHAR (*NetBIOSSend)(void *adapter, void *session, PNCB ncb);
typedef UCHAR (*NetBIOSRecv)(void *adapter, void *session, PNCB ncb);
typedef UCHAR (*NetBIOSHangup)(void *adapter, void *session);
/* The last function called on an adapter; it is not called reentrantly, and
* no new calls will be made on the adapter once this has been entered. Clean
* up any resources allocated for the adapter here.
*/
typedef void (*NetBIOSCleanupAdapter)(void *adapter);
typedef struct _NetBIOSTransport
{
NetBIOSEnum enumerate;
NetBIOSAstat astat;
NetBIOSFindName findName;
NetBIOSCall call;
NetBIOSSend send;
NetBIOSRecv recv;
NetBIOSHangup hangup;
NetBIOSCleanupAdapter cleanupAdapter;
NetBIOSCleanup cleanup;
} NetBIOSTransport;
/* Transport-specific functions. When adding a transport, add a call to its
* init function in netapi32's DllMain. The transport can do any global
* initialization it needs here. It should call NetBIOSRegisterTransport to
* register itself with NetBIOS.
*/
/* NetBIOS-over-TCP/IP (NetBT) functions */
/* Not defined by MS, so make my own private define: */
#define TRANSPORT_NBT "MNBT"
void NetBTInit(void) DECLSPEC_HIDDEN;
#endif /* ndef __WINE_NETBIOS_H__ */